8031323: Optionally align objects copied to survivor spaces
Reviewed-by: brutisso, tschatzl
/*
* Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef SHARE_VM_C1_C1_DEFS_HPP
#define SHARE_VM_C1_C1_DEFS_HPP
#include "utilities/globalDefinitions.hpp"
#include "asm/register.hpp"
// set frame size and return address offset to these values in blobs
// (if the compiled frame uses ebp as link pointer on IA; otherwise,
// the frame size must be fixed)
enum {
no_frame_size = -1
};
#ifdef TARGET_ARCH_x86
# include "c1_Defs_x86.hpp"
#endif
#ifdef TARGET_ARCH_sparc
# include "c1_Defs_sparc.hpp"
#endif
#ifdef TARGET_ARCH_arm
# include "c1_Defs_arm.hpp"
#endif
#ifdef TARGET_ARCH_ppc
# include "c1_Defs_ppc.hpp"
#endif
// native word offsets from memory address
enum {
lo_word_offset_in_bytes = pd_lo_word_offset_in_bytes,
hi_word_offset_in_bytes = pd_hi_word_offset_in_bytes
};
// the processor may require explicit rounding operations to implement the strictFP mode
enum {
strict_fp_requires_explicit_rounding = pd_strict_fp_requires_explicit_rounding
};
// for debug info: a float value in a register may be saved in double precision by runtime stubs
enum {
float_saved_as_double = pd_float_saved_as_double
};
#endif // SHARE_VM_C1_C1_DEFS_HPP